From 16047eb2242649fb609bbf485c499500dfe58f56 Mon Sep 17 00:00:00 2001
From: Herman Chen <herman.chen@rock-chips.com>
Date: Sat, 18 Apr 2020 15:23:54 +0800
Subject: [PATCH] [mpp_time]: Add AUTO_TIMING for C++ function

Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
Change-Id: I1ec9f6307dce44f7aa086911477b27e523904cdc
---
 osal/inc/mpp_time.h | 23 ++++++++++++++++++++++-
 osal/mpp_time.cpp   | 12 ++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/osal/inc/mpp_time.h b/osal/inc/mpp_time.h
index 52a29659..2fee54a5 100644
--- a/osal/inc/mpp_time.h
+++ b/osal/inc/mpp_time.h
@@ -94,5 +94,26 @@ void mpp_timer_put(MppTimer timer);
 }
 #endif
 
-#endif /*__MPP_TIME_H__*/
+#ifdef __cplusplus
+class AutoTiming
+{
+public:
+    AutoTiming(const char *name = __FUNCTION__);
+    ~AutoTiming();
+private:
+    const char  *mName;
+    RK_S64      mStart;
+    RK_S64      mEnd;
 
+    AutoTiming(const AutoTiming &);
+    AutoTiming &operator = (const AutoTiming&);
+};
+
+#endif
+
+#define AUTO_TIMER_STRING(name, cnt)        name ## cnt
+#define AUTO_TIMER_NAME_STRING(name, cnt)   AUTO_TIMER_STRING(name, cnt)
+#define AUTO_TIMER_NAME(name)               AUTO_TIMER_NAME_STRING(name, __COUNTER__)
+#define AUTO_TIMING()                       AutoTiming AUTO_TIMER_NAME(auto_timing)(__FUNCTION__)
+
+#endif /*__MPP_TIME_H__*/
diff --git a/osal/mpp_time.cpp b/osal/mpp_time.cpp
index 92945a97..05a82b7b 100644
--- a/osal/mpp_time.cpp
+++ b/osal/mpp_time.cpp
@@ -427,3 +427,15 @@ void mpp_timer_put(MppTimer timer)
         impl = NULL;
     }
 }
+
+AutoTiming::AutoTiming(const char *name)
+{
+    mStart = mpp_time();
+    mName = name;
+}
+
+AutoTiming::~AutoTiming()
+{
+    mEnd = mpp_time();
+    mpp_log("%s timing %lld us\n", mName, mEnd - mStart);
+}